225420527 has 8 divisors (see below), whose sum is σ = 242043552. Its totient is φ = 209171200.

The previous prime is 225420521. The next prime is 225420551. The reversal of 225420527 is 725024522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225420527 - 2⁴ = 225420511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225420527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225420521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92174 + ... + 94587.

It is an arithmetic number, because the mean of its divisors is an integer number (30255444).

Almost surely, 2^225420527 is an apocalyptic number.

225420527 is a deficient number, since it is larger than the sum of its proper divisors (16623025).

225420527 is a wasteful number, since it uses less digits than its factorization.

225420527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186849.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 225420527 is about 15014.0110230411. The cubic root of 225420527 is about 608.5988867185.

The spelling of 225420527 in words is "two hundred twenty-five million, four hundred twenty thousand, five hundred twenty-seven".